“Hydrometer” has been added to your basket. View basket Cork Bungs 1 Gal Size Solid Pk 2 £1.45 8 in stock Cork Bungs 1 Gal Size Solid Pk 2 quantity Add to basket Summary Specs Description Solid bung used with the 1 gallon jars to store wine. Related products AccessoriesHarris Filter Pads Pk5 £15.95 3 in stockAdd to basket AccessoriesHydrometer £5.40 14 in stockAdd to basket AccessoriesNylon Jar Brush £4.70 9 in stockAdd to basket